As shown in the figure, there are two IPv6 networks that can access the IPv4 network. At the same time, an IPSEC tunnel needs to be established between the two IPv6 networks for communication. Which of the following encapsulation modes can meet the requirements above?

Which of the following description about OSPFv3 message is correct? (Multiple choice)

In route-policy, what are the BGP attributes that can be used in the apply clause? (Multiple Choice)

IGMP SSM Mapping statically binds the multicast source to the multicast group, so that group members of IGMPv1 and CGIPv2 can also access the SSM multicast network. Which of the following statements about ICIP SSM Mapping is wrong?

The existing route-policy is as follows:
ip community-filter 1 permit 100:1
ip as-path-filter 2 permit ^100$
route-policy test permit node 10
if-match community-filter 1
If-match as-path-filter 2
Apply as-path 200
About the above configuration description, which is correct?